Granted Patent
Utility
US 5,557,677 · App. 08/318,865
Method and arrangement for communication of information
Inventor:
Sven-Erik Prytz
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Dec 14, 1994
Inventor
Sven-Erik Prytz
Assignee (at issue)
Info Development & Patent AB
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.